0_0_20637571_18496\Main.java:3: 错误: 需要class, interface或enum
public apb{
^
0_0_20637571_18496\Main.java:4: 错误: 需要class, interface或enum
public void main(String arg[]){
^
0_0_20637571_18496\Main.java:6: 错误: 需要class, interface或enum
int a=sc.nextInt();
^
0_0_20637571_18496\Main.java:7: 错误: 需要class, interface或enum
int b=sc.nextInt();
^
0_0_20637571_18496\Main.java:8: 错误: 需要class, interface或enum
System.out.println(a+b);
^
0_0_20637571_18496\Main.java:9: 错误: 需要class, interface或enum
}
^
6 个错误
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